Question

At what angle of incidence will the light reflected from glass

($\mu = 1.5$) be completely polarized :

• A. 72.8⁰
• B. 51.6⁰
• C. 40.3⁰
• D. 56.3⁰

Answer 1

Answer: (D)

56.3⁰

Answer 2

Using $\tan i_{p} = \mu = 1.5$

Or $i_{p} = \tan^{- 1}(1.5) = 56.3º$